# [1,2,2,1,3]
# new_list=[1,2,2,1,3]
# lst=list(set(new_list))
# for i in lst:
#     c=0
#     for j in new_list:
#         if j==i:
#             c+=1
#     if c==1:
#             print(i)



# import time
# s=time.time()
# lst = []
# for i in range(1, 10000):
#     lst.append(i)
#     e=time.time()
#     print(e-s)
import time
s=time.time()
lst = [i for i in range(1,10000)]

e=time.time()
print(e-s)






